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<?php
/**
*
* @package phpBB3
* @copyright (c) 2013 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
namespace phpbb;
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* A class with various functions that are related to paths, files and the filesystem
* @package phpBB3
*/
class path_helper
{
/** @var \phpbb\symfony_request */
protected $symfony_request;
/** @var \phpbb\filesystem */
protected $filesystem;
/** @var string */
protected $phpbb_root_path;
/** @var string */
protected $adm_relative_path;
/** @var string */
protected $php_ext;
/** @var string */
protected $web_root_path;
/**
* Constructor
*
* @param \phpbb\symfony_request $symfony_request
* @param \phpbb\filesystem $filesystem
* @param string $phpbb_root_path Relative path to phpBB root
* @param string $php_ext PHP extension (php)
*/
public function __construct(\phpbb\symfony_request $symfony_request, \phpbb\filesystem $filesystem, $phpbb_root_path, $php_ext, $adm_relative_path = null)
{
$this->symfony_request = $symfony_request;
$this->filesystem = $filesystem;
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $php_ext;
$this->adm_relative_path = $adm_relative_path;
}
/**
* Get the phpBB root path
*
* @return string
*/
public function get_phpbb_root_path()
{
return $this->phpbb_root_path;
}
/**
* Get the adm root path
*
* @return string
*/
public function get_adm_relative_path()
{
return $this->adm_relative_path;
}
/**
* Get the php extension
*
* @return string
*/
public function get_php_ext()
{
return $this->php_ext;
}
/**
* Update a web path to the correct relative root path
*
* This replaces $phpbb_root_path . some_url with
* get_web_root_path() . some_url
*
* @param string $path The path to be updated
* @return string
*/
public function update_web_root_path($path)
{
if (strpos($path, $this->phpbb_root_path) === 0)
{
$path = substr($path, strlen($this->phpbb_root_path));
return $this->get_web_root_path() . $path;
}
return $path;
}
/**
* Get a relative root path from the current URL
*
* @return string
*/
public function get_web_root_path()
{
if ($this->symfony_request === null)
{
return $this->phpbb_root_path;
}
if (null !== $this->web_root_path)
{
return $this->web_root_path;
}
// Path info (e.g. /foo/bar)
$path_info = $this->filesystem->clean_path($this->symfony_request->getPathInfo());
// Full request URI (e.g. phpBB/app.php/foo/bar)
$request_uri = $this->symfony_request->getRequestUri();
// Script name URI (e.g. phpBB/app.php)
$script_name = $this->symfony_request->getScriptName();
/*
* If the path info is empty (single /), then we're not using
* a route like app.php/foo/bar
*/
if ($path_info === '/')
{
return $this->web_root_path = $this->phpbb_root_path;
}
// How many corrections might we need?
$corrections = substr_count($path_info, '/');
/*
* If the script name (e.g. phpBB/app.php) exists in the
* requestUri (e.g. phpBB/app.php/foo/template), then we
* are have a non-rewritten URL.
*/
if (strpos($request_uri, $script_name) === 0)
{
/*
* Append ../ to the end of the phpbb_root_path as many times
* as / exists in path_info
*/
return $this->web_root_path = $this->phpbb_root_path . str_repeat('../', $corrections);
}
/*
* If we're here it means we're at a re-written path, so we must
* correct the relative path for web URLs. We must append ../
* to the end of the root path as many times as / exists in path_info
* less one time (because the script, e.g. /app.php, doesn't exist in
* the URL)
*/
return $this->web_root_path = $this->phpbb_root_path . str_repeat('../', $corrections - 1);
}
}
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